Keyboard



FIG. 1 is a perspective view of a keyboard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top perspective view thereof;

FIG. 9 is a rear perspective view thereof;

FIG. 10 is an enlarged partial view taken from rectangle 10 of FIG. 7; and,

FIG. 11 is an enlarged partial view taken from rectangle 11 of FIG. 8.

The evenly-spaced broken lines shown in the drawings depict portions of the keyboard, and the dash-dot broken lines indicate enlargements. The broken lines form no part of the claimed design. 

CLAIM I claim the ornamental design for a keyboard, as shown and described. 